Seiko Cal. 6635 - 998

Seiko 6635-998

The 6635-998 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-25e05197ff66]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1996

Related Models

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